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Mechanics Bank Trust Department — 13F Holdings & Portfolio

CIK 1439743 · latest 13F-HR filed 2026-10-13

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Mechanics Bank Trust Department manages $798.1M in 13F-reported U.S. long-equity assets across 205 reported positions as of its 2026-09-30 13F-HR filing. Its largest disclosed positions are SPY (5.56%), AAPL (5.39%), MSFT (4.64%). Quarter over quarter (versus its 2026-06-30 filing) the fund opened 7 new positions and exited 13; 38 existing positions rose in reported value and 93 fell.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

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AUM
$798.1M

Long-equity book

Holdings
205

Distinct positions

Period
2026-09-30

Filed 2026-10-13

Q/Q Activity
+7 / −13 / ↑38 / ↓93

vs 2026-06-30

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q3 26
SPY5.6% · -2%AAPL5.4% · -1%MSFT4.6% · -1%GOOGL4.6% · +0%MCHB4.2% · 0%NVDA2.6% · +6%IWP2.5% · +1%QQQ2.3% · +0%VBK1.9% · +3%VUG1.8% · -1%COST1.8% · -4%AMZN1.8% · +0%IYW1.7% · +1%XOM1.6% · -3%JPM1.5% · -6%VYMI1.5% · +19%JEPI1.4% · -13%BKLN1.4% · -1%VWO1.3% · +13%LQD1.3% · -5%V1.2% · -9%BRK.B1.2% · -3%JEPQ1.2% · -3%JNJ1.1% · -7%GOOG1.1% · -6%XLK1.1% · +3%VCIT1.0% · +6%ORCL0.9% · -2%IJK0.9% · -6%MDY0.9% · -1%AVGO0.9% · +1%CVX0.9% · -6%DIA0.9% · -2%VOO0.8% · +4%IWO0.8% · 0%FDLO0.8% · -5%WMT0.8% · -3%LLY0.8% · +1%VCLT0.7% · +13%ROST0.7% · -1%CSCO0.7% · -0%HD0.7% · -6%XLF0.7% · -4%VEA0.6% · +21%MRK0.6% · +2%MCD0.6% · -14%DVY0.6% · -0%VFLO0.6% · +2%MCK0.6% · +3%PWR0.5% · +3%ABBV0.5% · -0%IWF0.5% · +3%BLK0.5% · -5%APH0.5% · +102%ABT0.5% · -8%VGK0.5% · +12%RSG0.5% · -8%ADP0.5% · -6%SPTS0.5% · -6%IJR0.5% · +5%

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q2 26 → Q3 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

4 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 35.5%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People

Name Title / Status Ownership Type

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

Mechanics Bank Trust Department Holdings (2026-09-30)

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 STATE STR SPDR S&P 500 ETF T SPY 78462F103 $44.4M 5.56% 58,194 SH
2 APPLE INC AAPL 037833100 $43.0M 5.39% 129,234 SH
3 MICROSOFT CORP MSFT 594918104 $37.0M 4.64% 72,183 SH
4 ALPHABET INC GOOGL 02079K305 $36.9M 4.62% 107,193 SH
5 MECHANICS BANCORP MCHB 43785V102 $33.1M 4.15% 2,242,540 SH
6 NVIDIA CORPORATION NVDA 67066G104 $20.4M 2.56% 89,443 SH
7 ISHARES TR IWP 464287481 $20.2M 2.53% 146,804 SH
8 INVESCO QQQ TR QQQ 46090E103 $18.6M 2.33% 25,145 SH
9 VANGUARD INDEX FDS VBK 922908595 $15.3M 1.91% 45,190 SH
10 VANGUARD INDEX FDS VUG 922908736 $14.2M 1.78% 157,714 SH
11 COSTCO WHOLESALE CORPORATION COST 22160K105 $14.1M 1.77% 15,535 SH
12 AMAZON COM INC AMZN 023135106 $14.0M 1.76% 56,331 SH
13 ISHARES TR IYW 464287721 $13.9M 1.74% 52,422 SH
14 EXXONMOBIL HOLDINGS CORP XOM 30233Q108 $12.5M 1.56% 76,604 SH
15 JPMORGAN CHASE & CO JPM 46625H100 $12.2M 1.53% 36,825 SH
16 VANGUARD WHITEHALL FDS VYMI 921946794 $11.6M 1.45% 114,735 SH
17 J P MORGAN EXCHANGE TRADED F JEPI 46641Q332 $11.2M 1.40% 199,068 SH
18 INVESCO EXCH TRADED FD TR II BKLN 46138G508 $10.9M 1.36% 532,908 SH
19 VANGUARD INTL EQUITY INDEX F VWO 922042858 $10.6M 1.33% 178,511 SH
20 ISHARES TR LQD 464287242 $10.6M 1.32% 103,254 SH
21 VISA INC V 92826C839 $9.6M 1.21% 26,843 SH
22 BERKSHIRE HATHAWAY INC DEL BRK.B 084670702 $9.6M 1.21% 19,345 SH
23 J P MORGAN EXCHANGE TRADED F JEPQ 46654Q203 $9.2M 1.15% 150,277 SH
24 JOHNSON & JOHNSON JNJ 478160104 $9.1M 1.13% 34,202 SH
25 ALPHABET INC GOOG 02079K107 $8.8M 1.10% 25,770 SH
26 SELECT SECTOR SPDR TR XLK 81369Y803 $8.5M 1.07% 43,588 SH
27 VANGUARD SCOTTSDALE FDS VCIT 92206C870 $8.3M 1.04% 105,634 SH
28 ORACLE CORP ORCL 68389X105 $7.5M 0.93% 54,276 SH
29 ISHARES TR IJK 464287606 $7.3M 0.91% 66,449 SH
30 STATE STR SPDR S&P MIDCAP 40 MDY 78467Y107 $7.0M 0.88% 10,714 SH
31 BROADCOM INC AVGO 11135F101 $6.9M 0.87% 19,704 SH
32 CHEVRON CORPORATION CVX 166764100 $6.9M 0.86% 33,631 SH
33 STATE STR SPDR DOW JONES IND DIA 78467X109 $6.9M 0.86% 13,480 SH
34 VANGUARD INDEX FDS VOO 922908363 $6.7M 0.84% 9,616 SH
35 ISHARES TR IWO 464287648 $6.6M 0.83% 18,508 SH
36 FIDELITY COVINGTON TRUST FDLO 316092824 $6.3M 0.79% 89,219 SH
37 WALMART INC WMT 931142103 $6.2M 0.78% 59,993 SH
38 ELI LILLY & CO LLY 532457108 $6.2M 0.78% 5,384 SH
39 VANGUARD SCOTTSDALE FDS VCLT 92206C813 $5.8M 0.73% 85,137 SH
40 ROSS STORES INC ROST 778296103 $5.5M 0.69% 23,731 SH
41 CISCO SYS INC CSCO 17275R102 $5.5M 0.69% 51,276 SH
42 HOME DEPOT INC HD 437076102 $5.4M 0.68% 19,090 SH
43 SELECT SECTOR SPDR TR XLF 81369Y605 $5.3M 0.66% 99,249 SH
44 VANGUARD TAX-MANAGED FDS VEA 921943858 $5.0M 0.63% 70,679 SH
45 MERCK & CO INC MRK 58933Y105 $4.8M 0.61% 33,294 SH
46 MCDONALDS CORP MCD 580135101 $4.7M 0.59% 20,551 SH
47 ISHARES TR DVY 464287168 $4.7M 0.59% 30,925 SH
48 VICTORY PORTFOLIOS II VFLO 92647X830 $4.6M 0.57% 89,072 SH
49 MCKESSON CORP MCK 58155Q103 $4.4M 0.55% 5,178 SH
50 QUANTA SVCS INC PWR 74762E102 $4.3M 0.54% 6,768 SH
Filing History
Period Filed AUM Holdings Accession
2026-09-30 2026-10-13 $798.1M 205 0001439743-26-000005
2026-06-30 2026-07-07 $808.2M 380 0001439743-26-000003
2026-03-31 2026-04-09 $722.2M 354 0001439743-26-000002
2025-12-31 2026-01-14 $763.6M 360 0001439743-26-000001
Filer Information
Address
1111 CIVIC DRIVE, SUITE 333
WALNUT CREEK, CA 94596
Phone
(925) 256-3061
Filing Manager
Mechanics Bank Trust Department
Walnut Creek, CA
Signatory
Yolanda Johnson
Trust Operations Manager